Year	Square Kilometers
1990	86270
1991	86552
1992	86834
1993	87116
1994	87398
1995	87680
1996	87962
1997	88244
1998	88526
1999	88808
2000	89090
2001	89378
2002	89666
2003	89954
2004	90242
2005	90530
2006	90814
2007	91098
2008	91382
2009	91666
2010	91950
2011	92234
2012	92518
2013	92802
2014	93086
2015	93370